ReviewOrthopaedic journal of sports medicine2024
Effects of Vitamin D Supplementation in Elite Athletes: A Systematic Review.
Review in Orthopaedic journal of sports medicine, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers, 2 of them syntheses that pooled it.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
16 citing papers in PubMed, 2 syntheses or guidelines pooled it, 17 citations in OpenAlex.
- Effects of different dietary supplements combined with conditioning training on muscle strength, jump performance, sprint speed, and muscle mass in athletes: a systematic review and network meta-analysis.Frontiers in nutrition · 2025Pooled it
- The effects of exercise training and nutritional supplementation on taekwondo performance: a systematic review and meta-analysis.Frontiers in nutrition · 2025Pooled it
- Eight-Week Vitamin DNutrients · 2026Trial
- Trial
- The interplay between vitamin D status and exerkine signaling: implications for exercise adaptation in athletes: narrative review.Journal of the International Society of Sports Nutrition · 2026Review
- Review
- Dietary assessment of elite orienteering athletes.Scientific reports · 2026Article
- Review
- Genetic and non-genetic determinants of vitamin D status: a polygenic score analysis in elite athletes.Frontiers in genetics · 2026Article
- An integrated nutritional and performance monitoring framework for athletes with celiac disease: A structured narrative review.Current research in food science · 2026Review
- The role of biotics and bioactive compounds in sports injuries: a narrative review.Frontiers in nutrition · 2026Review
- Annual Vitamin D Status of World-Class British Swimmers Following a Standardised Supplementation Protocol for Three Years.Nutrients · 2025Article
- Vitamin D Deficiency Does Not Impair Diastolic Function in Elite Athletes.Medicina (Kaunas, Lithuania) · 2025Article
- The decline of vitamin D in adolescent athletes: insights from a one-year follow-up and its association with electrocardiographic changes.Frontiers in cardiovascular medicine · 2025Article
- Article
- Prevalence of supplement usage and related attitudes and reasons among fitness athletes in the gyms of Kashan and its relationship with feeding behavior: a cross-sectional study.BMC sports science, medicine & rehabilitation · 2024Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
8 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background: Deficiency in vitamin D has been shown to increase the risk of injury. Purpose: To synthesize current placebo-controlled randomized trials investigating the effect of vitamin D supplementation in elite athletes on (1) aerobic capacity; (2) anaerobic measures, such as strength, speed, and anaerobic power; (3) serum biomarkers of inflammation; and (4) bone health. Study Design: Systematic review; Level of evidence, 1. Methods: A literature search was conducted on November 30, 2022, according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. Included were randomized, placebo-controlled studies of longer than 2 weeks on subjects with active participation in organized sport. Excluded were nonrandomized controlled trial study designs, vitamin D administration routes other than oral, studies that did not use vitamin D supplementation as the sole intervention, and studies with nonathletic or military populations. Results: Out of 2331 initial studies, 14 studies (482 athletes) were included. Of the 3 studies that assessed aerobic capacity, 2 demonstrated significantly greater improvements in maximal oxygen uptake and physical working capacity-170 ( Conclusion: Results of this systematic review indicated that the greatest benefit of vitamin D supplementation in elite athletes may be improving aerobic endurance, anaerobic power, and strength. More research is needed to determine the effect of vitamin D supplementation on bone health and injury risk in this population.
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What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.